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    <h1>这是一个寂寞的天</h1>
    <ul>
        <li>右键进入命令行模式</li>
        <li>运行</li>
        <li>开始编写代码</li>
        <li>运行git add . 命令</li>
        <li>运行git commit -m '代码的描述文字'</li>
    </ul>
    <button>购物车功能</button>
    <button>支付功能</button>
    <button>关闭功能</button>
    <button>点赞功能</button>
    <button>直播功能</button>
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